2 SPI Piston Kits 1978-1995 for Ski-Doo 464 470 L/C Sleds Standard Bore 69.5mm

2 SPI Piston Kits for Ski-Doo 464 470 L/C Sleds (1978-1995, 69.5mm)

These two SPI standard bore piston kits are designed for Ski-Doo 464 and 470 liquid-cooled snowmobile engines from 1978 to 1995, with a 69.5mm bore to restore top-end performance.

Overview

This set includes two SPI piston kits intended for Ski-Doo 464 and 470 L/C (liquid-cooled) sleds manufactured between 1978 and 1995. Each kit contains pistons, rings, and wrist pins to rebuild the engine's top end, ensuring reliable snowmobile operation. The 69.5mm standard bore size matches OEM specifications for these two-stroke engines.

Built For Performance

• Manufactured from high-strength aluminum alloy for longevity
• Includes piston rings pre-gapped for easy installation
• Wrist pins and circlips provided for a complete rebuild kit
• Standard bore 69.5mm eliminates need for cylinder boring
• Designed to meet or exceed OEM quality standards

Fits These Machines

• for Ski-Doo 464 (1978-1995)
• for Ski-Doo 470 L/C (1978-1995)

On-The-Job Use

• Rebuilding Ski-Doo snowmobile engines
• Restoring vintage 464 and 470 models
• Refreshing top-end after extensive riding
• Replacing worn pistons in high-mileage sleds

Specs At A Glance

Good To Know

Q: Will these piston kits fit all 1978-1995 Ski-Doo 464 and 470 sleds? A: They are designed for standard bore engines in those models, but always verify your specific engine serial number to ensure proper fitment, as design changes may have occurred.

Q: Can these SPI pistons be used with aftermarket cylinders? A: Yes, as long as the cylinder bore is 69.5mm standard and the port timing matches the original Ski-Doo 464/470 specifications.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.